<!DOCTYPE HTML>
<html>
<head>
  <script type="application/javascript" src="pc.js"></script>
</head>
<body>
<pre id="test">
<script type="application/javascript">
  createHTML({
    bug: "827843",
    title: "Ensure that localDescription and remoteDescription are null after close"
  });

var steps = [
  function CHECK_SDP_ON_CLOSED_PC(test) {
    var description;
    var exception = null;

    // handle the event which the close() triggers
    var localClosed = new Promise(resolve => {
      test.pcLocal.onsignalingstatechange = e => {
        is(e.target.signalingState, "closed",
           "Received expected onsignalingstatechange event on 'closed'");
        resolve();
      }
    });

    test.pcLocal.close();

    try { description = test.pcLocal.localDescription; } catch (e) { exception = e; }
    ok(exception, "Attempt to access localDescription of pcLocal after close throws exception");
    exception = null;

    try { description = test.pcLocal.remoteDescription; } catch (e) { exception = e; }
    ok(exception, "Attempt to access remoteDescription of pcLocal after close throws exception");
    exception = null;

    // handle the event which the close() triggers
    var remoteClosed = new Promise(resolve => {
      test.pcRemote.onsignalingstatechange = e => {
        is(e.target.signalingState, "closed",
           "Received expected onsignalingstatechange event on 'closed'");
        resolve();
      }
    });

    test.pcRemote.close();

    try  { description = test.pcRemote.localDescription; } catch (e) { exception = e; }
    ok(exception, "Attempt to access localDescription of pcRemote after close throws exception");
    exception = null;

    try  { description = test.pcRemote.remoteDescription; } catch (e) { exception = e; }
    ok(exception, "Attempt to access remoteDescription of pcRemote after close throws exception");

    return Promise.all([localClosed, remoteClosed]);
  }
];

var test;
runNetworkTest(() => {
  test = new PeerConnectionTest();
  test.setMediaConstraints([{audio: true}], [{audio: true}]);
  test.chain.append(steps);
  test.run();
});
</script>
</pre>
</body>
</html>
